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8 papers · 2 filters
Experimental demonstration of long-distance continuous-variable quantum key distribution
Paul Jouguet, Sébastien Kunz-Jacques, Anthony Leverrier +2
Distributing secret keys with information-theoretic security is arguably one of the most important achievements of the field of quantum information processing and communications. T…
Simple performance evaluation of pulsed spontaneous parametric down-conversion sources for quantum communications
Jean-Loup Smirr, Sylvain Guilbaud, Joe Ghalbouni +4
Fast and complete characterization of pulsed spontaneous parametric down conversion (SPDC) sources is important for applications in quantum information processing and communication…
Experimental wavelength division multiplexed photon pair distribution
Joe Ghalbouni, Imad Agha, Robert Frey +2
We have experimentally implemented the distribution of photon pairs produced by spontaneous parametric down conversion through telecom dense wavelength division multiplexing filter…
Nonlocality and Entanglement for Symmetric States
Zizhu Wang, Damian Markham
In this paper, building on some recent progress combined with numerical techniques, we shed some new light on how the nonlocality of symmetric states is related to their entangleme…
Analysis of Imperfections in Practical Continuous-Variable Quantum Key Distribution
Paul Jouguet, Sébastien Kunz-Jacques, Eleni Diamanti +1
As quantum key distribution becomes a mature technology, it appears clearly that some assumptions made in the security proofs cannot be justified in practical implementations. This…
On the equivalence between sharing quantum and classical secrets, and error correction
Anne Marin, Damian Markham
We present a general scheme for sharing quantum secrets, and an extension to sharing classical secrets, which contain all known quantum secret sharing schemes. In this framework we…